Species · Alabama · BBS 2025 Release · 1966–2024
Mottled Duck Population Trend in Alabama
Mottled Duck in Alabama has declined: down 33% on the route-weighted index since 1992.
-33%Since 1992
3Routes In State
15Years
Notable Mottled Duck Trends in Alabama
No notable trend signals for Mottled Duck in Alabama. See the full index history below.
Mottled Duck Survey Routes in Alabama
| Dauphin Is | 1 | 1986 | 1986 |
| Chacaloochee Bay | 1 | 2016 | 2014 |
| Dauphin Is 2 | 1 | 2014 | 1991 |
Mottled Duck Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.